Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7930208 | Method and system for delivery of advertising content in short message service (SMS) messages | Ian Chun Kong Cheung, David Cooper | 2011-04-19 |
| 6405060 | User interface with improved data entry features for telephone system | Martin Schroeder | 2002-06-11 |
| 6032053 | Signaling the type of incoming telephone calls | Martin Schroeder | 2000-02-29 |
| 5797098 | User interface for cellular telephone | Martin Schroeder | 1998-08-18 |
| H1641 | Connection of mobile devices to heterogenous networks | — | 1997-04-01 |
| 5528664 | Cellular data overlay system providing packet-switched communication data service over a selected channel which is not in use by a circuit-switched communication subsystem | Arunas G. Slekys, William Anthony Gage, William E. Andrietz | 1996-06-18 |
| 5396539 | Cellular data overlay system for storing data identifying selected data allocated channels | Arunas G. Slekys, William Anthony Gage, William E. Andrietz | 1995-03-07 |